test_double_escape_handling() — langchain Function Reference

Architecture documentation for the test_double_escape_handling() function in test_serializable.py from the langchain codebase.

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_double_escape_handling() — langchain Function Reference

Dependency Diagram

graph TD
  4209f521_1764_26ee_927c_789549188624["test_double_escape_handling()"]
  a193f10f_1a60_b879_b342_d29b1680b3e6["TestEscaping"]
  4209f521_1764_26ee_927c_789549188624 -->|defined in| a193f10f_1a60_b879_b342_d29b1680b3e6
  style 4209f521_1764_26ee_927c_789549188624 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/load/test_serializable.py lines 514–527

    def test_double_escape_handling(self) -> None:
        """Test that data containing escape key itself is properly handled."""
        # User data that contains our escape key
        data_with_escape_key = {"__lc_escaped__": "some_value"}
        doc = Document(page_content="test", metadata=data_with_escape_key)

        serialized = dumpd(doc)
        # Should be double-escaped since it looks like an escaped dict
        assert serialized["kwargs"]["metadata"] == {
            "__lc_escaped__": {"__lc_escaped__": "some_value"}
        }

        loaded = load(serialized, allowed_objects=[Document])
        assert loaded.metadata == {"__lc_escaped__": "some_value"}